Granted Patent
Utility
US 6,394,148 · App. 09/792,994
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Inventor:
Michael T. Clarke
Patented Case
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Granted: May 28, 2002
Filed: Feb 26, 2001
Inventor
Michael T. Clarke
Assignee (at issue)
Root-Lowell Manufacturing Company
This patent predates the USPTO's electronic file wrapper — prosecution documents from this era exist only in the Patent Office's paper records. A certified copy of the file history can be ordered from the USPTO's paper archives.